213415360

素因数分解:

$2^6\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1979}}^1$

素因数の和:2333

約数の個数: 56

約数和(自身を含む): 509960880

約数和(自身を除く): 296545520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 337, 674, 1348, 1685, 1979, 2696, 3370, 3958, 5392, 6740, 7916, 9895, 10784, 13480, 15832, 19790, 21568, 26960, 31664, 39580, 53920, 63328, 79160, 107840, 126656, 158320, 316640, 633280, 666923, 1333846, 2667692, 3334615, 5335384, 6669230, 10670768, 13338460, 21341536, 26676920, 42683072, 53353840, 106707680, 213415360]

約数ペア:

[(1, 213415360), (2, 106707680), (4, 53353840), (5, 42683072), (8, 26676920), (10, 21341536), (16, 13338460), (20, 10670768), (32, 6669230), (40, 5335384), (64, 3334615), (80, 2667692), (160, 1333846), (320, 666923), (337, 633280), (674, 316640), (1348, 158320), (1685, 126656), (1979, 107840), (2696, 79160), (3370, 63328), (3958, 53920), (5392, 39580), (6740, 31664), (7916, 26960), (9895, 21568), (10784, 19790), (13480, 15832)]